Search for dissertations about: "Correlation functions."
Showing result 1 - 5 of 332 swedish dissertations containing the words Correlation functions..
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1. Correlation Functions in Integrable Theories : From weak to strong coupling
Abstract : The discovery of integrability in planar N=4 super Yang-Mills and ABJM has enabled a precise study of AdS/CFT. In the past decade integrability has been successfully applied to the spectrum of anomalous dimensions, which can now be obtained at any value of the coupling. READ MORE
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2. Static and Dynamic Correlation Effects in Atoms
Abstract : The thesis considers the effects of electron correlation by studying the two opposite limits of atoms in the ground state and atoms in strong laser pulses. Computational methods and theoretical approaches differ significantly due to the different physical processes that are studied in these two cases. READ MORE
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3. Some results on fast correlation attacks
Abstract : This thesis presents new results on fast correlation attacks on stream ciphers. In particular, fast correlation attacks on stream ciphers containing linear shift registers with an arbitrary number of taps, are considered. A general introduction to stream ciphers and correlation attacks is given. READ MORE
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4. Theoretical investigation of screening phenomena in electrolyte solutions
Abstract : .... READ MORE
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5. Time-Dependent Many-Body Perturbation Theory: Possibilities and Limitations
Abstract : This dissertation investigates the possibilities and limitations of time-dependent many-body perturbation theory by studying small Hubbard clusters for which the exact solution is available. The first part of the thesis is comprised of a short introduction to the concepts and methodologies used. READ MORE